Home / 30,421.19-45,634.49-10,699.92

Finding the Fourth Proportional to 30,421.19, 45,634.49 and 10,699.92

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Solution

The fourth proportional to 30,421.19, 45,634.49 and 10,699.92 is: 16,050.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,421.19 : 45,634.49 = 10,699.92 : x
  2. Step 2: Convert to fraction form
    30,421.19/45,634.49 = 10,699.92/x
  3. Step 3: Cross multiply
    30,421.19x = 45,634.49 × 10,699.92
  4. Step 4: Simplify right side
    30,421.19x = 488,285,338.74
  5. Step 5: Solve for x
    x = 488,285,338.74/30,421.19
  6. Step 6: Final answer
    x = 16,050.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.